Questions tagged [mobile]

A portable device capable of multiple applications, one of which is a platform for playing games. Mobile phones are the eponymous example of such devices. Distinct from handhelds, which are exclusively or primarily designed for gaming.

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How to get the physical camera sensor size on iOS / Android in Unity

I'm trying to get the physical camera sensor size on iOS and Android mobile devices for intrinsics calculations. On Android the sensor size should be found in the ...
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Script not working (Function not changing value)

I have this script that I made for an FPS character. public class Player_Movement : MonoBehaviour { public CharacterController controller; public Transform camera; ...
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Authentication and keeping track of users for a cross platform game (Steam+mobile)

I've got a question about authentication/user accounts. I'm building a game using Unity that'll be sold on Desktop (through Steam) and Mobile (Play/App Store). The game has online multiplayer ...
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37 views

How does Aspect Ratio and Resolution work in Unity?

I am trying to make progress in Unity on understanding how aspect ratios and resolution work. I can't quite wrap my head around the topic. For example, I am trying to make a simple breakout style game,...
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Why shouldn't I release my app to all countries? [closed]

When releasing a mobile app on iPhone and Android, you can specify which countries you want to release your app to. Intuitively, you may want to just release it to all countries. One example of why ...
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Bloom not working on mobile build (URP)

I am trying to add bloom in my unity game for mobile phones using URP, The problem is, everything works perfectly in the editor/pc, But the bloom effect vanishes on the actual apk build. This is how ...
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concerns about android apk compatibility

Hi everyone =) i'm planning on making a game on Unity, the idea is that my friends could play the game, as mostly of them do not own a computer, it should be developed for android. Two of my biggest ...
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Why does my game look different on my mobile device than in the editor?

I am new to Unreal Engine. My game in mobile looks totally different than in Unreal Engine editor. In Editor: In Mobile: Is this a symptom of something obvious? How can I make it so that what I'll see ...
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Light point buggy on old device after migrating to URP

Light point is very buggy on Samsung A5 after migrating to URP, it works well on PC and Samsung A7. Altought it has light points, these are really few and using lowest settings by default, all other ...
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How can I support direct P2P for mobile devices?

I'm Interested in two or more player co-op in Godot, via direct P2P without connection to a central server. I have this idea that would utilize two smartphones in proximity to one another. I don't ...
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60 views

Default Game Window Size To Take While Making Games

I am planning to make a game for mobiles and tablets, I wanted to know what would be the default resolution that I should set for my game so that it covers all or most of the devices out there. I read ...
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1answer
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Tile map click to walk UX

My game is a top down mobile game where the player clicks a tile to walk to it. However, it isn't clear where tile boundaries are from just looking at a level, so you could click on the edge of a tile ...
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How to make a countdown timer based on local time

I have a problem. In my GetTime.cs script, I am getting local time from an Android/iOS device, and simply assigning it to a Text component. ...
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How to file down a fingernail mesh?

I am creating a nail salon 3D game where I need to implement nail filing mechanics. I have tried out approaches including mesh deformation but I'm concerned about performance as I am targeting mobile ...
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31 views

Is it a useful strategy for Mobile VR titles to render faster than their simulation loop?

For example - If a title had a very heavy simulation loop (say 20ms), is it desirable to render at a greater rate, say 90hz? This would always a present head pose correct to the view, without being ...
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18 views

Touch input not working well for mobile game made with Unity 2D

I made a simple game in unity where the user taps their phone screen and the player jumps up. When I test it on my phone (not sure if this matters but it's a Samsung s9+), I tap the screen and usually ...
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77 views

How does “internet connection required” protect from piracy on mobile phones?

Sometimes I can't play a paid Android platform game because it requires an internet connection, and I'm in a place where 3G doesn't work. Here is my understanding so far: The game is a "good old ...
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22 views

Unity Optimization: Creating Multiple Similar Scenes Effectively

I've been working on a mobile game that uses the same framework for each level in the game, and I was wondering what would be the most efficient way to store all those levels in Unity. Should I only ...
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using Playerprefs on Android Mobile Platform

I have a question about playerprefs on my android mobile game not initializing properly. I have already pre-set my playerprefs data on a variable with a value of 3. In my play mode on unity the value ...
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35 views

Unity with move gameobject line renderer

I create DrawLine class, I want my character to follow the line I draw. How do I move my character on draw line renderer ? Thanks! ...
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How do I calculate sprites/frame usage on my platform's ram?

I plan on building a 2d game for mobile and possibly pc. I also plan on using sprites/frames for the animation of my 2d game. What's stopping me from doing so is because I can't figure out if the ...
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44 views

How would I make my player controls respond quicker?

I'm working on this game in Unity 2D where the user swipes to make a game object move in the direction that the user swiped in. Currently, when the user swipes it takes about a quarter of a second for ...
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155 views

How to adapt my mobile game for different aspect ratios?

Before I start, I'd like to note that I work in the Unity Engine, but the basic theoretical stuff should be similar just about anywhere. It's not really hard to get the game's camera/World view or UI ...
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Post processing effects not visible on mobile apk build

While setting up post processing on a project that I am currently working on, I discovered that post processing effects are not visible on the apk build on mobile. I setup a new Project with URP on ...
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71 views

Multiplatform game, save game state and resume it on other platform

This is for a personal and knowledge acquiring project. I want to create a little TIC-TAC-TOE multiplatform game, app & web. The choosen technology for the app will be Android or Flutter and for ...
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130 views

How do Mobile Idle-Games work [duplicate]

I wonder how idle games, games where players only make a few clicks to get a game progress, work. These games appear to be running in the background, even when the app is closed. Therefore these games ...
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LibGDX How to use Viewport correctly?

guys! I divided the screen into two parts using Viewport and now the game does not work correctly. The control buttons do not work all. If you click in some part of the screen (not on the control) -...
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Unity's Android Notification system works on my Xiaomi, but on a Huawei every notification has an “Unknown” status?

When my app starts I check whether there is a notification or not if there isn't I create one via SendNotification(...) if there is, I check their status: ...
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287 views

Tilting a game object left/right/forward/back with gyroscope, regardless of player's heading

I'm working on a mobile game in Unity and using the gyroscope to rotate an object along the x and y axes. ...
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1answer
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Unity Screen.height / Screen.dpi is *not* equal to the screens height in real life

On mobile, I was planning on using Screen.dpi to work out the physical size of the screen and size controls accordingly. But this quick test on my Galaxy S5 proves that the numbers from Unity are ...
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Concept design-pattern for industry simulation required

I am making a mobile game simulating industry. A brief high level description is below. A hub could be thought of as a base/city, within which there are rooms/buildings which determine what is ...
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1answer
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I want to clamp each instance of the same prefab to the y axis only

I instantiated the prefab "paddle" twice then I tried clamping it to the y-axis only; using Mathf.Clamp, however, the min and max values end up being applied to both instances of "paddle" and hence ...
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81 views

Unity - Level complete progress bar stops at 75%

I am trying to build a progress bar that indicates the completion of the current level from 0 to 100% (or from 0 to 1 in probability). I found this example: https://stackoverflow.com/questions/...
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Authenticating users without a username or password

I'm curious about what the process is for anonymously authenticating users when it comes to mobile games. There are quite a few examples out there, but the ones that immediately come to mind are Lords ...
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1answer
146 views

Is Unreal engine or Unity better for high graphics low file size mobile games? [closed]

My objective of learning game development is to make a 3d relatively high graphics mobile game but that should be in 150 mb. I don't know should I start with unity or unreal engine. I found that ...
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Can Mobile Games use Fragments instead of SurfaceViews?

All the tutorials of mobile games for android (such as this one), use the to display game objects. Most other applications tend to use an ...
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How to create a fog for baclgro6 which works on mobile devices?

There is a forum entry, which explains how to create a high based volumetric fog, using soft particles ( How can I create a height-based volumetric fog? ). Unfortunately it doesn't work on mobile ...
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271 views

Serverless Multiplayer

I wanted to make a game with a "serverless" mobile multiplayer game. The idea was to have devices connect to each other automatically when they are within range. There would be no global game state ...
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453 views

How to make game playable in all mobile screen resolution using Unity Cinemachine with perspective mode?

I want my 2D game to be playable (auto scale) in all screen resolution. I'm using Cinemachine & under "perspective" mode. I found tutorial to change the screen in "orthographic" mode but there is ...
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67 views

Same scroll speed across devices with different DPI

I am creating a simple game in JS, something like the flappy bird :) For pipe scroll, I am using a linear tween. I noticed that the speed of the pipes are different across different smartphone ...
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Do I need a backend engineer for my studio right now?

I am working on a mobile game that requires a well thought-out backend, because it spans across the healthcare/data science space and we need to be compliant in terms of security/regulations in how we ...
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How to use large texture atlases in my shaders on mobile devices

This is a frustrating discovery. I have ported my desktop game to mobile and discovered that floating point precision in my shaders is not good. I have large animations which I store per frame on a ...
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unity2D swipe control's bool for animator doesn't work

i was trying to make a control where the animation plays upon swiping one direction. each time i've make a tap/swipe control, it just keeps popping messages like this. the tap animation works fine, ...
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94 views

What is the purpose of multi-staged levels in mobile games?

In most recent mobile games like Grass Cut, FireBalls 3D, Twist Hit! or Snow Drift! I see the same level structure where you need to finish 3-4 mini-levels / stages in order to really finish the level....
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Can I legally use mechanics from a game that is removed from the store? [duplicate]

There was a mobile (android, ios) card game that I really liked playing. Last year, the game was removed from the store and noone were able to play it. The company is still up. That game had a really ...
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Overdrawn pixels vs many polygons, which affects performance the most?

I know that having overdrawn pixels is not desirable as well as having many polygons since they can decrease performance. Often when I model I have an option to decrease the number of polygons by ...
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1answer
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How to handle a Google Play game's privacy policy

I am trying to release a mobile game (insert obligatory sellout statement for Chunk of Space) on Google Play, and I'm worried about their privacy policy system. Basically, if you mark your game as "...
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How to make mobile movement using CharacterController

How can i change my movement for mobile i think left and right gonna work but i don't know what should i do for jump ...

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